From owner-freebsd-current  Sun Jun 25 12:33:21 1995
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From: Poul-Henning Kamp <phk>
Message-Id: <199506251933.MAA04009@freefall.cdrom.com>
Subject: Re: cvs commit: src/sys/i386/isa sio.c
To: bde@zeta.org.au (Bruce Evans)
Date: Sun, 25 Jun 1995 12:33:20 -0700 (PDT)
Cc: bde@freefall.cdrom.com, pete@puffin.pelican.com, current@freebsd.org
In-Reply-To: <199506251918.FAA05169@godzilla.zeta.org.au> from "Bruce Evans" at Jun 26, 95 05:18:32 am
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> I've been complaining about this for a year or two.  I think it is because
> tcp/ip wasn't designed for bidirectional interface.  My standard benchmark
> is:
> 
> 	time rcp machine1:/kernel machine2:/tmp/kernel & \
> 	time rcp machine2:/kernel machine1:/tmp/kernel &
> 
> This takes about twice as long as would separate rcp's because acks get
> queued behind large amounts of data and arrive too late to keep the data
> streaming.

Have you tried making your tcp-windows bigger ?

-- 
Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
whois: [PHK]                | phk@ref.tfs.com       TRW Financial Systems, Inc.
Just that: dried leaves in boiling water ?